@INPROCEEDINGS {OKONKWO:2010, title = {Clean planting materials and management practices for sustained production of yams (Dioscroea spp): the futrue of yam cultivation in West Africa}, author = {Okonkwo, C. and Asiedu, R. and Akoroda, M. O. *}, booktitle = {Root and tuber crops for poverty alleviation through science and technology for sustainable development: proceedings of the 10th symposium of ISTRC-AB held from 8-12 October, 2007 in Maputo, Mozambique}, year = {2010}, pages = {215--216}, publisher = {ISTRC-AB}, note = {RTB; Root and Tuber; Yam.; ISBN: 99951-60-00-5; Hard copy pagination: 214-215}, }